Remove CMAKE_CXX_STANDARD (backport #1704) (#1706)

Co-authored-by: Christoph Fröhlich <[email protected]>

Author: mergify[bot]

range_sensor_broadcaster/CMakeLists.txt

@@ -1,12 +1,6 @@
 cmake_minimum_required(VERSION 3.8)
 project(range_sensor_broadcaster)
 
-# Default to C++17
-if(NOT CMAKE_CXX_STANDARD)
-  set(CMAKE_CXX_STANDARD 17)
-  set(CMAKE_CXX_STANDARD_REQUIRED ON)
-endif()
-
 find_package(ros2_control_cmake REQUIRED)
 set_compiler_options()
 export_windows_symbols()